# CVE-2018-10561

An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

- Page: https://www.vulneraibility.com/cve/CVE-2018-10561
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-03-31; CISA due date 2022-04-21
- EPSS: 92.82% (percentile 99.8)
- Public exploit code: 1 on Exploit-DB (first 2018-05-03)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-03)
- Weakness: CWE-287
- Published: 2018-05-04

## Affected

- dasannetworks:gpon_router_firmware

## References

- [other] http://www.securityfocus.com/bid/107053
- [exploit] https://www.exploit-db.com/exploits/44576/
- [other] https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-10561

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.